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re: Spring Weed Guide For Lawns

Posted on 11/20/15 at 8:23 am to
Posted by doggy dirty
Member since Feb 2009
81 posts
Posted on 11/20/15 at 8:23 am to
Bump.

This thread has been invaluable to me as a new homeowner. The previous owners apparently cared very little for lawn care so I've had my work cut out.

Question:

I recently received the results of two soil tests for my front and back yards from LSU Ag and both tests show that I have relatively acidic soil (5.4 & 5.8) and very high Calcium (1930 & 2400 ppm). The recommendation was to add Lime which I know is the common recommendation for increasing the pH, but this seems odd to me since it will increase Ca.

Any insight into this situation? I can provide more info on other elements if necessary.

Great thread, thanks!
Posted by bootlegger
Ponchatoula
Member since Dec 2012
5378 posts
Posted on 11/20/15 at 9:09 am to
doggy- what type of lawn grass are you trying to cater to? That will determine where you want your pH.

Alx- right now I wouldn't be too concerned with killing much, as most everything is approaching dormancy. A good preemergent will keep the winter weeds at bay. The sedge you are seeing is probably green kyllinga. Google the images and you should be able to tell. It grows in small green patches and makes a small, solid burr-type head.

Citica- Simtrol is 32oz per acre for annual bluegrass, 60-64 oz per acre if you're wanting to control winter broadleaves as well.
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